多层螺旋CT后处理技术对胸骨细微骨折的诊断价值 |
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引用本文: | 先世伟,朱晓玲,吴晓莉,何晓荣,吴宗萍. 多层螺旋CT后处理技术对胸骨细微骨折的诊断价值[J]. 中国CT和MRI杂志, 2014, 0(8): 109-110 |
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作者姓名: | 先世伟 朱晓玲 吴晓莉 何晓荣 吴宗萍 |
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作者单位: | 重庆市巴南区人民医院放射科 重庆 401320 |
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摘 要: | 目的探讨多层螺旋CT(MSCT)后处理技术对胸骨细微骨折诊断价值。方法搜集经16层螺旋CT常规胸部容积扫描诊断的胸骨细微骨折69例,利用工作站进行图像后处理,选用多种后处理技术,即多平面重建(MIR)、容积再现法(VR)等重组观察,并与CT横断图像进行比较。结果 69例胸骨细微骨折中,横断骨折为48例(占69.6%),斜行骨折12例(占17.4%),不全性骨折9例(占13.0%)。矢状位MPR图像对胸骨细微骨折显示率为100%,冠状位显示率为84.1%,横断位显示率为62.3%。结论 MSCT的后处理技术图像可以准确地检出胸骨细微骨折,明显优于横断面图像,尤其是矢状位MPR图像可以避免胸骨细微骨折的漏诊。
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关 键 词: | 体层摄影术,X线计算机 胸骨 骨折 |
Diagnostic Value of Multislice Spiral CT Post-processing Technology in the Sternum Subtle Fracture |
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Affiliation: | XIAN Shi-wei, ZHU Xiao-ling, WU Xiao-li,et al( Banan District of Chongqing Municipal People's Hospital, Department of Radiology) |
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Abstract: | Objective To investigate the diagnosis value of multislice spiral CT (MSCT) post-processing technology in sternum subtle fracture. Methods 69 cases of assternum subtle fracture were routinely chest volume scanned by 16-slice spiral CT. After transferring to workstation, post-processing techniques were used to reconstruction and observed with the comparing with cross-sectional, including multi-planar reconstruction (MIR), volume rendering (VR). Results Among 69 cases of sternal subtle fractures, there were 48 cases(69.6%,48/69) of transverse fracture, 12 cases(17.4%,12/69) of oblique fracture, and 9 cases(13.0%,9/69) of incomplete fracture. It indicated that the percentage of sagittal MPR image displaying on the sternum subtle fracture was 100%, cross-sectional displaying rate was 84.1%, and transverse-bit display rate was 62.3%. Conclusion MSCT post-processing image techniques can accurately detect sternal subtle fracture. It was significantly better than the cross-sectional images, particularly sagittal MPR image can avoid misdiagnosis of sternum subtle fracture. |
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Keywords: | Tomography X-ray Computer Sternum Subtle Fracture |
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